Water pressure reducing valves are used in commercial and residential applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption. It consists of a lead free cast copper silicon alloy body construction, stainless steel integral strainer, thermoplastic seat and cage, thermal expansion bypass and sealed spring cage for waterworks pit installations. The LFN45B series is available in a variety of end connections including threaded, solder, PEX, quick-connect and CPVC with both union and double union connections. Maximum working pressure 400 PSI (27.6 bar), adjustable reduced pressure range 25 to 75 PSI (172 to 517 kPa), standard pressure setting 50 PSI (345 kPa).